20035138649

Committed 08 Dec 2025 04:26PM UTC coverage: 44.146%. First build

Build # 20035138649

Build Type

Pull #6021

github

Committed by

web-flow

Commit Message

Merge 55b80f632 into 8b3afd9dd

Pull Request Pull Request #6021: feat: docmdp implementation

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/lib/Service/FileService.php

<?php

declare(strict_types=1);
/**
 * SPDX-FileCopyrightText: 2020-2024 LibreCode coop and contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

namespace OCA\Libresign\Service;

use DateTime;
use DateTimeInterface;
use InvalidArgumentException;
use OC\Files\Filesystem;
use OCA\Libresign\AppInfo\Application;
use OCA\Libresign\Db\File;
use OCA\Libresign\Db\FileElement;
use OCA\Libresign\Db\FileElementMapper;
use OCA\Libresign\Db\FileMapper;
use OCA\Libresign\Db\IdDocsMapper;
use OCA\Libresign\Db\IdentifyMethod;
use OCA\Libresign\Db\SignRequest;
use OCA\Libresign\Db\SignRequestMapper;
use OCA\Libresign\Exception\LibresignException;
use OCA\Libresign\Handler\DocMdpHandler;
use OCA\Libresign\Handler\SignEngine\Pkcs12Handler;
use OCA\Libresign\Helper\ValidateHelper;
use OCA\Libresign\ResponseDefinitions;
use OCA\Libresign\Service\IdentifyMethod\IIdentifyMethod;
use OCP\Accounts\IAccountManager;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\Files\IMimeTypeDetector;
use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;
use OCP\Http\Client\IClientService;
use OCP\IAppConfig;
use OCP\IDateTimeFormatter;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\IUserManager;
use OCP\IUserSession;
use Psr\Log\LoggerInterface;
use stdClass;

/**
 * @psalm-import-type LibresignValidateFile from ResponseDefinitions
 */
class FileService {
        use TFile;

        private bool $showSigners = false;
        private bool $showSettings = false;
        private bool $showVisibleElements = false;
        private bool $showMessages = false;
        private bool $validateFile = false;
        private bool $signersLibreSignLoaded = false;
        private bool $signerIdentified = false;
        private string $fileContent = '';
        private string $host = '';
        private ?File $file = null;
        private ?SignRequest $signRequest = null;
        private ?IUser $me = null;
        private ?int $identifyMethodId = null;
        private array $certData = [];
        private stdClass $fileData;
        public const IDENTIFICATION_DOCUMENTS_DISABLED = 0;
        public const IDENTIFICATION_DOCUMENTS_NEED_SEND = 1;
        public const IDENTIFICATION_DOCUMENTS_NEED_APPROVAL = 2;
        public const IDENTIFICATION_DOCUMENTS_APPROVED = 3;
        public function __construct(
                protected FileMapper $fileMapper,
                protected SignRequestMapper $signRequestMapper,
                protected FileElementMapper $fileElementMapper,
                protected FileElementService $fileElementService,
                protected FolderService $folderService,
                protected ValidateHelper $validateHelper,
                protected PdfParserService $pdfParserService,
                private IdDocsMapper $idDocsMapper,
                private AccountService $accountService,
                private IdentifyMethodService $identifyMethodService,
                private IUserSession $userSession,
                private IUserManager $userManager,
                private IAccountManager $accountManager,
                protected IClientService $client,
                private IDateTimeFormatter $dateTimeFormatter,
                private IAppConfig $appConfig,
                private IURLGenerator $urlGenerator,
                protected IMimeTypeDetector $mimeTypeDetector,
                protected Pkcs12Handler $pkcs12Handler,
                DocMdpHandler $docMdpHandler,
                private IRootFolder $root,
                protected LoggerInterface $logger,
                protected IL10N $l10n,
        ) {
                $this->docMdpHandler = $docMdpHandler;
                $this->fileData = new stdClass();
        }

        /**
         * @return static
         */
        public function showSigners(bool $show = true): self {
                $this->showSigners = $show;
                return $this;
        }

        /**
         * @return static
         */
        public function showSettings(bool $show = true): self {
                $this->showSettings = $show;
                if ($show) {
                        $this->fileData->settings = [
                                'canSign' => false,
                                'canRequestSign' => false,
                                'signerFileUuid' => null,
                                'phoneNumber' => '',
                        ];
                } else {
                        unset($this->fileData->settings);
                }
                return $this;
        }

        /**
         * @return static
         */
        public function showVisibleElements(bool $show = true): self {
                $this->showVisibleElements = $show;
                return $this;
        }

        /**
         * @return static
         */
        public function showMessages(bool $show = true): self {
                $this->showMessages = $show;
                return $this;
        }

        /**
         * @return static
         */
        public function setMe(?IUser $user): self {
                $this->me = $user;
                return $this;
        }

        public function setSignerIdentified(bool $identified = true): self {
                $this->signerIdentified = $identified;
                return $this;
        }

        public function setIdentifyMethodId(?int $id): self {
                $this->identifyMethodId = $id;
                return $this;
        }

        public function setHost(string $host): self {
                $this->host = $host;
                return $this;
        }

        /**
         * @return static
         */
        public function setFile(File $file): self {
                $this->file = $file;
                $this->fileData->status = $this->file->getStatus();
                return $this;
        }

        public function setSignRequest(SignRequest $signRequest): self {
                $this->signRequest = $signRequest;
                return $this;
        }

        public function showValidateFile(bool $validateFile = true): self {
                $this->validateFile = $validateFile;
                return $this;
        }

        /**
         * @return static
         */
        public function setFileByType(string $type, $identifier): self {
                try {
                        /** @var File */
                        $file = call_user_func(
                                [$this->fileMapper, 'getBy' . $type],
                                $identifier
                        );
                } catch (\Throwable) {
                        throw new LibresignException($this->l10n->t('Invalid data to validate file'), 404);
                }
                if (!$file) {
                        throw new LibresignException($this->l10n->t('Invalid file identifier'), 404);
                }
                $this->setFile($file);
                return $this;
        }

        public function setFileFromRequest(?array $file): self {
                if ($file === null) {
                        throw new InvalidArgumentException($this->l10n->t('No file provided'));
                }
                if (
                        $file['error'] !== 0
                        || !is_uploaded_file($file['tmp_name'])
                        || Filesystem::isFileBlacklisted($file['tmp_name'])
                ) {
                        unlink($file['tmp_name']);
                        throw new InvalidArgumentException($this->l10n->t('Invalid file provided'));
                }
                if ($file['size'] > \OCP\Util::uploadLimit()) {
                        unlink($file['tmp_name']);
                        throw new InvalidArgumentException($this->l10n->t('File is too big'));
                }

                $this->fileContent = file_get_contents($file['tmp_name']);
                $mimeType = $this->mimeTypeDetector->detectString($this->fileContent);
                if ($mimeType !== 'application/pdf') {
                        $this->fileContent = '';
                        unlink($file['tmp_name']);
                        throw new InvalidArgumentException($this->l10n->t('Invalid file provided'));
                }
                $this->fileData->size = $file['size'];

                $memoryFile = fopen($file['tmp_name'], 'rb');
                try {
                        $this->certData = $this->pkcs12Handler->getCertificateChain($memoryFile);
                        $this->fileData->status = File::STATUS_SIGNED;
                        // Ignore when isnt a signed file
                } catch (LibresignException) {
                        $this->fileData->status = File::STATUS_DRAFT;
                }
                fclose($memoryFile);
                unlink($file['tmp_name']);
                $this->fileData->hash = hash('sha256', $this->fileContent);
                try {
                        $libresignFile = $this->fileMapper->getBySignedHash($this->fileData->hash);
                        $this->setFile($libresignFile);
                } catch (DoesNotExistException) {
                        $this->fileData->status = File::STATUS_NOT_LIBRESIGN_FILE;
                }
                $this->fileData->name = $file['name'];
                return $this;
        }

        private function getFile(): \OCP\Files\File {
                $nodeId = $this->file->getSignedNodeId();
                if (!$nodeId) {
                        $nodeId = $this->file->getNodeId();
                }
                $fileToValidate = $this->root->getUserFolder($this->file->getUserId())->getFirstNodeById($nodeId);
                if (!$fileToValidate instanceof \OCP\Files\File) {
                        throw new LibresignException($this->l10n->t('File not found'), 404);
                }
                return $fileToValidate;
        }

        public function getStatus(): int {
                return $this->file->getStatus();
        }

        public function getSignedNodeId(): ?int {
                $status = $this->file->getStatus();

                if (!in_array($status, [File::STATUS_PARTIAL_SIGNED, File::STATUS_SIGNED])) {
                        return null;
                }
                return $this->file->getSignedNodeId();
        }

        private function getFileContent(): string {
                if ($this->fileContent) {
                        return $this->fileContent;
                } elseif ($this->file) {
                        try {
                                return $this->fileContent = $this->getFile()->getContent();
                        } catch (LibresignException $e) {
                                throw $e;
                        } catch (\Throwable $e) {
                                $this->logger->error('Failed to get file content: ' . $e->getMessage(), [
                                        'fileId' => $this->file->getId(),
                                        'exception' => $e,
                                ]);
                                throw new LibresignException($this->l10n->t('Invalid data to validate file'), 404, $e);
                        }
                }
                return '';
        }

        public function isLibresignFile(int $nodeId): bool {
                try {
                        return $this->fileMapper->fileIdExists($nodeId);
                } catch (\Throwable) {
                        throw new LibresignException($this->l10n->t('Invalid data to validate file'), 404);
                }
        }

        private function loadFileMetadata(): void {
                if (!$content = $this->getFileContent()) {
                        return;
                }
                $pdfParserService = $this->pdfParserService->setFile($content);
                if ($this->file) {
                        $metadata = $this->file->getMetadata();
                }
                if (isset($metadata) && isset($metadata['p'])) {
                        $dimensions = $metadata;
                } else {
                        $dimensions = $pdfParserService->getPageDimensions();
                }
                $this->fileData->totalPages = $dimensions['p'];
                $this->fileData->size = strlen($content);
                $this->fileData->pdfVersion = $pdfParserService->getPdfVersion();
        }

        private function loadCertDataFromLibreSignFile(): void {
                if (!empty($this->certData) || !$this->validateFile || !$this->file || !$this->file->getSignedNodeId()) {
                        return;
                }
                $file = $this->getFile();

                $resource = $file->fopen('rb');
                $sha256 = $this->getSha256FromResource($resource);
                if ($sha256 === $this->file->getSignedHash()) {
                        $this->pkcs12Handler->setIsLibreSignFile();
                }
                $this->certData = $this->pkcs12Handler->getCertificateChain($resource);
                fclose($resource);
        }

        private function getSha256FromResource($resource): string {
                $hashContext = hash_init('sha256');
                while (!feof($resource)) {
                        $buffer = fread($resource, 8192); // 8192 bytes = 8 KB
                        hash_update($hashContext, $buffer);
                }
                return hash_final($hashContext);
        }

        private function loadLibreSignSigners(): void {
                if ($this->signersLibreSignLoaded || !$this->file) {
                        return;
                }
                $signers = $this->signRequestMapper->getByFileId($this->file->getId());
                foreach ($signers as $signer) {
                        $identifyMethods = $this->identifyMethodService
                                ->setIsRequest(false)
                                ->getIdentifyMethodsFromSignRequestId($signer->getId());
                        if (!empty($this->fileData->signers)) {
                                $found = array_filter($this->fileData->signers, function ($found) use ($identifyMethods) {
                                        if (!isset($found['uid'])) {
                                                return false;
                                        }
                                        [$key, $value] = explode(':', (string)$found['uid']);
                                        foreach ($identifyMethods as $methods) {
                                                foreach ($methods as $identifyMethod) {
                                                        $entity = $identifyMethod->getEntity();
                                                        if ($key === $entity->getIdentifierKey() && $value === $entity->getIdentifierValue()) {
                                                                return true;
                                                        }
                                                }
                                        }
                                        return false;
                                });
                                if (!empty($found)) {
                                        $index = key($found);
                                } else {
                                        $totalSigners = count($signers);
                                        $totalCert = count($this->certData);
                                        // When only have a signature, consider that who signed is who need to sign
                                        if ($totalCert === 1 && $totalSigners === $totalCert) {
                                                $index = 0;
                                        } else {
                                                $index = count($this->fileData->signers);
                                        }
                                }
                        } else {
                                $index = 0;
                        }
                        $this->fileData->signers[$index]['identifyMethods'] = $identifyMethods;
                        $this->fileData->signers[$index]['displayName'] = $signer->getDisplayName();
                        $this->fileData->signers[$index]['me'] = false;
                        $this->fileData->signers[$index]['signRequestId'] = $signer->getId();
                        $this->fileData->signers[$index]['description'] = $signer->getDescription();
                        $this->fileData->signers[$index]['visibleElements'] = $this->getVisibleElements($signer->getId());
                        $this->fileData->signers[$index]['request_sign_date'] = $signer->getCreatedAt()->format(DateTimeInterface::ATOM);
                        if (empty($this->fileData->signers[$index]['signed'])) {
                                if ($signer->getSigned()) {
                                        $this->fileData->signers[$index]['signed'] = $signer->getSigned()->format(DateTimeInterface::ATOM);
                                } else {
                                        $this->fileData->signers[$index]['signed'] = null;
                                }
                        }
                        $metadata = $signer->getMetadata();
                        if (!empty($metadata['remote-address'])) {
                                $this->fileData->signers[$index]['remote_address'] = $metadata['remote-address'];
                        }
                        if (!empty($metadata['user-agent'])) {
                                $this->fileData->signers[$index]['user_agent'] = $metadata['user-agent'];
                        }
                        if (!empty($metadata['notify'])) {
                                foreach ($metadata['notify'] as $notify) {
                                        $this->fileData->signers[$index]['notify'][] = [
                                                'method' => $notify['method'],
                                                'date' => (new \DateTime('@' . $notify['date'], new \DateTimeZone('UTC')))->format(DateTimeInterface::ATOM),
                                        ];
                                }
                        }
                        if ($signer->getSigned() && empty($this->fileData->signers[$index]['signed'])) {
                                if ($signer->getSigned()) {
                                        $this->fileData->signers[$index]['signed'] = $signer->getSigned()->format(DateTimeInterface::ATOM);
                                } else {
                                        $this->fileData->signers[$index]['signed'] = null;
                                }
                        }
                        // @todo refactor this code
                        if ($this->me || $this->identifyMethodId) {
                                $this->fileData->signers[$index]['sign_uuid'] = $signer->getUuid();
                                // Identifi if I'm file owner
                                if ($this->me?->getUID() === $this->file->getUserId()) {
                                        $email = array_reduce($identifyMethods[IdentifyMethodService::IDENTIFY_EMAIL] ?? [], function (?string $carry, IIdentifyMethod $identifyMethod): ?string {
                                                if ($identifyMethod->getEntity()->getIdentifierKey() === IdentifyMethodService::IDENTIFY_EMAIL) {
                                                        $carry = $identifyMethod->getEntity()->getIdentifierValue();
                                                }
                                                return $carry;
                                        }, '');
                                        $this->fileData->signers[$index]['email'] = $email;
                                        $user = $this->userManager->getByEmail($email);
                                        if ($user && count($user) === 1) {
                                                $this->fileData->signers[$index]['userId'] = $user[0]->getUID();
                                        }
                                }
                                // Identify if I'm signer
                                foreach ($identifyMethods as $methods) {
                                        foreach ($methods as $identifyMethod) {
                                                $entity = $identifyMethod->getEntity();
                                                if ($this->identifyMethodId === $entity->getId()
                                                        || $this->me?->getUID() === $entity->getIdentifierValue()
                                                        || $this->me?->getEMailAddress() === $entity->getIdentifierValue()
                                                ) {
                                                        $this->fileData->signers[$index]['me'] = true;
                                                        if (!$signer->getSigned()) {
                                                                $this->fileData->settings['canSign'] = true;
                                                                $this->fileData->settings['signerFileUuid'] = $signer->getUuid();
                                                        }
                                                }
                                        }
                                }
                        }
                        if ($this->fileData->signers[$index]['me']) {
                                $this->fileData->url = $this->urlGenerator->linkToRoute('libresign.page.getPdfFile', ['uuid' => $this->fileData->signers[$index]['sign_uuid']]);
                                $this->fileData->signers[$index]['signatureMethods'] = $this->identifyMethodService->getSignMethodsOfIdentifiedFactors($signer->getId());
                        }
                        $this->fileData->signers[$index]['identifyMethods'] = array_reduce($this->fileData->signers[$index]['identifyMethods'], function ($carry, $list) {
                                foreach ($list as $identifyMethod) {
                                        $carry[] = [
                                                'method' => $identifyMethod->getEntity()->getIdentifierKey(),
                                                'value' => $identifyMethod->getEntity()->getIdentifierValue(),
                                                'mandatory' => $identifyMethod->getEntity()->getMandatory(),
                                        ];
                                }
                                return $carry;
                        }, []);
                        ksort($this->fileData->signers[$index]);
                }
                $this->signersLibreSignLoaded = true;
        }

        private function loadSignersFromCertData(): void {
                $this->loadCertDataFromLibreSignFile();
                foreach ($this->certData as $index => $signer) {
                        if (isset($signer['timestamp'])) {
                                $this->fileData->signers[$index]['timestamp'] = $signer['timestamp'];
                                if (isset($signer['timestamp']['genTime']) && $signer['timestamp']['genTime'] instanceof DateTimeInterface) {
                                        $this->fileData->signers[$index]['timestamp']['genTime'] = $signer['timestamp']['genTime']->format(DateTimeInterface::ATOM);
                                }
                        }
                        if (isset($signer['signingTime']) && $signer['signingTime'] instanceof DateTimeInterface) {
                                $this->fileData->signers[$index]['signingTime'] = $signer['signingTime'];
                                $this->fileData->signers[$index]['signed'] = $signer['signingTime']->format(DateTimeInterface::ATOM);
                        }
                        if (isset($signer['docmdp'])) {
                                $this->fileData->signers[$index]['docmdp'] = $signer['docmdp'];
                        }
                        if (isset($signer['modifications'])) {
                                $this->fileData->signers[$index]['modifications'] = $signer['modifications'];
                        }
                        if (isset($signer['modification_validation'])) {
                                $this->fileData->signers[$index]['modification_validation'] = $signer['modification_validation'];
                        }
                        if (isset($signer['chain'])) {
                                foreach ($signer['chain'] as $chainIndex => $chainItem) {
                                        $chainArr = $chainItem;
                                        if (isset($chainItem['validFrom_time_t']) && is_numeric($chainItem['validFrom_time_t'])) {
                                                $chainArr['valid_from'] = (new DateTime('@' . $chainItem['validFrom_time_t'], new \DateTimeZone('UTC')))->format(DateTimeInterface::ATOM);
                                        }
                                        if (isset($chainItem['validTo_time_t']) && is_numeric($chainItem['validTo_time_t'])) {
                                                $chainArr['valid_to'] = (new DateTime('@' . $chainItem['validTo_time_t'], new \DateTimeZone('UTC')))->format(DateTimeInterface::ATOM);
                                        }
                                        $chainArr['displayName'] = $chainArr['name'] ?? ($chainArr['subject']['CN'] ?? '');
                                        $this->fileData->signers[$index]['chain'][$chainIndex] = $chainArr;
                                        if ($chainIndex === 0) {
                                                $this->fileData->signers[$index] = array_merge($chainArr, $this->fileData->signers[$index] ?? []);
                                                $this->fileData->signers[$index]['uid'] = $this->resolveUid($chainArr);
                                        }
                                }
                        }
                }
        }

        private function resolveUid(array $chainArr): ?string {
                if (!empty($chainArr['subject']['UID'])) {
                        return $chainArr['subject']['UID'];
                }
                if (!empty($chainArr['subject']['CN'])) {
                        $cn = $chainArr['subject']['CN'];
                        if (is_array($cn)) {
                                $cn = $cn[0];
                        }
                        if (preg_match('/^(?<key>.*):(?<value>.*), /', (string)$cn, $matches)) {
                                return $matches['key'] . ':' . $matches['value'];
                        }
                }
                if (!empty($chainArr['extensions']['subjectAltName'])) {
                        $subjectAltName = $chainArr['extensions']['subjectAltName'];
                        if (is_array($subjectAltName)) {
                                $subjectAltName = $subjectAltName[0];
                        }
                        preg_match('/^(?<key>(email|account)):(?<value>.*)$/', (string)$subjectAltName, $matches);
                        if ($matches) {
                                if (str_ends_with($matches['value'], $this->host)) {
                                        $uid = str_replace('@' . $this->host, '', $matches['value']);
                                        $userFound = $this->userManager->get($uid);
                                        if ($userFound) {
                                                return 'account:' . $uid;
                                        } else {
                                                $userFound = $this->userManager->getByEmail($matches['value']);
                                                if ($userFound) {
                                                        $userFound = current($userFound);
                                                        return 'account:' . $userFound->getUID();
                                                } else {
                                                        return 'email:' . $matches['value'];
                                                }
                                        }
                                } else {
                                        $userFound = $this->userManager->getByEmail($matches['value']);
                                        if ($userFound) {
                                                $userFound = current($userFound);
                                                return 'account:' . $userFound->getUID();
                                        } else {
                                                $userFound = $this->userManager->get($matches['value']);
                                                if ($userFound) {
                                                        return 'account:' . $userFound->getUID();
                                                } else {
                                                        return $matches['key'] . ':' . $matches['value'];
                                                }
                                        }
                                }
                        }
                }
                return null;
        }

        private function loadSigners(): void {
                if (!$this->showSigners) {
                        return;
                }
                $this->loadSignersFromCertData();
                $this->loadLibreSignSigners();
        }

        /**
         * @return (mixed|string)[][]
         *
         * @psalm-return list<array{url: string, resolution: mixed}>
         */
        private function getPages(): array {
                $return = [];

                $metadata = $this->file->getMetadata();
                for ($page = 1; $page <= $metadata['p']; $page++) {
                        $return[] = [
                                'url' => $this->urlGenerator->linkToRoute('ocs.libresign.File.getPage', [
                                        'apiVersion' => 'v1',
                                        'uuid' => $this->file->getUuid(),
                                        'page' => $page,
                                ]),
                                'resolution' => $metadata['d'][$page - 1]
                        ];
                }
                return $return;
        }

        private function getVisibleElements(int $signRequestId): array {
                $return = [];
                if (!$this->showVisibleElements) {
                        return $return;
                }
                try {
                        $visibleElements = $this->fileElementMapper->getByFileIdAndSignRequestId($this->file->getId(), $signRequestId);
                        foreach ($visibleElements as $visibleElement) {
                                $element = [
                                        'elementId' => $visibleElement->getId(),
                                        'signRequestId' => $visibleElement->getSignRequestId(),
                                        'type' => $visibleElement->getType(),
                                        'coordinates' => [
                                                'page' => $visibleElement->getPage(),
                                                'urx' => $visibleElement->getUrx(),
                                                'ury' => $visibleElement->getUry(),
                                                'llx' => $visibleElement->getLlx(),
                                                'lly' => $visibleElement->getLly()
                                        ]
                                ];
                                $element['coordinates'] = array_merge(
                                        $element['coordinates'],
                                        $this->fileElementService->translateCoordinatesFromInternalNotation($element, $this->file)
                                );
                                $return[] = $element;
                        }
                } catch (\Throwable) {
                }
                return $return;
        }

        private function getPhoneNumber(): string {
                if (!$this->me) {
                        return '';
                }
                $userAccount = $this->accountManager->getAccount($this->me);
                return $userAccount->getProperty(IAccountManager::PROPERTY_PHONE)->getValue();
        }

        private function loadSettings(): void {
                if (!$this->showSettings) {
                        return;
                }
                if ($this->me) {
                        $this->fileData->settings = array_merge($this->fileData->settings, $this->accountService->getSettings($this->me));
                        $this->fileData->settings['phoneNumber'] = $this->getPhoneNumber();
                }
                if ($this->signerIdentified || $this->me) {
                        $status = $this->getIdentificationDocumentsStatus();
                        if ($status === self::IDENTIFICATION_DOCUMENTS_NEED_SEND) {
                                $this->fileData->settings['needIdentificationDocuments'] = true;
                                $this->fileData->settings['identificationDocumentsWaitingApproval'] = false;
                        } elseif ($status === self::IDENTIFICATION_DOCUMENTS_NEED_APPROVAL) {
                                $this->fileData->settings['needIdentificationDocuments'] = true;
                                $this->fileData->settings['identificationDocumentsWaitingApproval'] = true;
                        }
                }
        }

        public function getIdentificationDocumentsStatus(string $userId = ''): int {
                if (!$this->appConfig->getValueBool(Application::APP_ID, 'identification_documents', false)) {
                        return self::IDENTIFICATION_DOCUMENTS_DISABLED;
                }

                if (!$userId && $this->me instanceof IUser) {
                        $userId = $this->me->getUID();
                }
                if (!empty($userId)) {
                        $files = $this->fileMapper->getFilesOfAccount($userId);
                }

                if (empty($files) || !count($files)) {
                        return self::IDENTIFICATION_DOCUMENTS_NEED_SEND;
                }
                $deleted = array_filter($files, fn (File $file) => $file->getStatus() === File::STATUS_DELETED);
                if (count($deleted) === count($files)) {
                        return self::IDENTIFICATION_DOCUMENTS_NEED_SEND;
                }

                $signed = array_filter($files, fn (File $file) => $file->getStatus() === File::STATUS_SIGNED);
                if (count($signed) !== count($files)) {
                        return self::IDENTIFICATION_DOCUMENTS_NEED_APPROVAL;
                }

                return self::IDENTIFICATION_DOCUMENTS_APPROVED;
        }

        private function loadLibreSignData(): void {
                if (!$this->file) {
                        return;
                }
                $this->fileData->uuid = $this->file->getUuid();
                $this->fileData->name = $this->file->getName();
                $this->fileData->status = $this->file->getStatus();
                $this->fileData->created_at = $this->file->getCreatedAt()->format(DateTimeInterface::ATOM);
                $this->fileData->statusText = $this->fileMapper->getTextOfStatus($this->file->getStatus());
                $this->fileData->nodeId = $this->file->getNodeId();

                $this->fileData->requested_by = [
                        'userId' => $this->file->getUserId(),
                        'displayName' => $this->userManager->get($this->file->getUserId())->getDisplayName(),
                ];
                $this->fileData->file = $this->urlGenerator->linkToRoute('libresign.page.getPdf', ['uuid' => $this->file->getUuid()]);
                if ($this->showVisibleElements) {
                        $signers = $this->signRequestMapper->getByMultipleFileId([$this->file->getId()]);
                        $this->fileData->visibleElements = [];
                        foreach ($this->signRequestMapper->getVisibleElementsFromSigners($signers) as $visibleElements) {
                                $this->fileData->visibleElements = array_merge(
                                        $this->formatVisibleElementsToArray(
                                                $visibleElements,
                                                $this->file->getMetadata()
                                        ),
                                        $this->fileData->visibleElements
                                );
                        }
                }
        }

        private function loadMessages(): void {
                if (!$this->showMessages) {
                        return;
                }
                $messages = [];
                if ($this->fileData->settings['canSign']) {
                        $messages[] = [
                                'type' => 'info',
                                'message' => $this->l10n->t('You need to sign this document')
                        ];
                }
                if ($this->fileData->settings['canRequestSign']) {
                        $this->loadLibreSignSigners();
                        if (empty($this->fileData->signers)) {
                                $messages[] = [
                                        'type' => 'info',
                                        'message' => $this->l10n->t('You cannot request signature for this document, please contact your administrator')
                                ];
                        }
                }
                if ($messages) {
                        $this->fileData->messages = $messages;
                }
        }

        /**
         * @return LibresignValidateFile
         */
        public function toArray(): array {
                $this->loadLibreSignData();
                $this->loadFileMetadata();
                $this->loadSettings();
                $this->loadSigners();
                $this->loadMessages();
                $return = json_decode(json_encode($this->fileData), true);
                ksort($return);
                return $return;
        }

        public function setFileByPath(string $path): self {
                $node = $this->folderService->getFileByPath($path);
                $this->setFileByType('FileId', $node->getId());
                return $this;
        }

        /**
         * @return array[]
         *
         * @psalm-return array{data: array, pagination: array}
         */
        public function listAssociatedFilesOfSignFlow(
                $page = null,
                $length = null,
                array $filter = [],
                array $sort = [],
        ): array {
                $page ??= 1;
                $length ??= (int)$this->appConfig->getValueInt(Application::APP_ID, 'length_of_page', 100);

                $return = $this->signRequestMapper->getFilesAssociatedFilesWithMeFormatted(
                        $this->me,
                        $filter,
                        $page,
                        $length,
                        $sort,
                );

                $signers = $this->signRequestMapper->getByMultipleFileId(array_column($return['data'], 'id'));
                $identifyMethods = $this->signRequestMapper->getIdentifyMethodsFromSigners($signers);
                $visibleElements = $this->signRequestMapper->getVisibleElementsFromSigners($signers);
                $return['data'] = $this->associateAllAndFormat($this->me, $return['data'], $signers, $identifyMethods, $visibleElements);

                $return['pagination']->setRouteName('ocs.libresign.File.list');
                return [
                        'data' => $return['data'],
                        'pagination' => $return['pagination']->getPagination($page, $length, $filter)
                ];
        }

        private function associateAllAndFormat(IUser $user, array $files, array $signers, array $identifyMethods, array $visibleElements): array {
                foreach ($files as $key => $file) {
                        $totalSigned = 0;
                        foreach ($signers as $signerKey => $signer) {
                                if ($signer->getFileId() === $file['id']) {
                                        /** @var array<IdentifyMethod> */
                                        $identifyMethodsOfSigner = $identifyMethods[$signer->getId()] ?? [];
                                        $data = [
                                                'email' => array_reduce($identifyMethodsOfSigner, function (string $carry, IdentifyMethod $identifyMethod): string {
                                                        if ($identifyMethod->getIdentifierKey() === IdentifyMethodService::IDENTIFY_EMAIL) {
                                                                return $identifyMethod->getIdentifierValue();
                                                        }
                                                        if (filter_var($identifyMethod->getIdentifierValue(), FILTER_VALIDATE_EMAIL)) {
                                                                return $identifyMethod->getIdentifierValue();
                                                        }
                                                        return $carry;
                                                }, ''),
                                                'description' => $signer->getDescription(),
                                                'displayName'
                                                        => array_reduce($identifyMethodsOfSigner, function (string $carry, IdentifyMethod $identifyMethod): string {
                                                                if (!$carry && $identifyMethod->getMandatory()) {
                                                                        return $identifyMethod->getIdentifierValue();
                                                                }
                                                                return $carry;
                                                        }, $signer->getDisplayName()),
                                                'request_sign_date' => $signer->getCreatedAt()->format(DateTimeInterface::ATOM),
                                                'signed' => null,
                                                'signRequestId' => $signer->getId(),
                                                'me' => array_reduce($identifyMethodsOfSigner, function (bool $carry, IdentifyMethod $identifyMethod) use ($user): bool {
                                                        if ($identifyMethod->getIdentifierKey() === IdentifyMethodService::IDENTIFY_ACCOUNT) {
                                                                if ($user->getUID() === $identifyMethod->getIdentifierValue()) {
                                                                        return true;
                                                                }
                                                        } elseif ($identifyMethod->getIdentifierKey() === IdentifyMethodService::IDENTIFY_EMAIL) {
                                                                if (!$user->getEMailAddress()) {
                                                                        return false;
                                                                }
                                                                if ($user->getEMailAddress() === $identifyMethod->getIdentifierValue()) {
                                                                        return true;
                                                                }
                                                        }
                                                        return $carry;
                                                }, false),
                                                'visibleElements' => $this->formatVisibleElementsToArray(
                                                        $visibleElements[$signer->getId()] ?? [],
                                                        !empty($file['metadata'])?json_decode((string)$file['metadata'], true):[]
                                                ),
                                                'identifyMethods' => array_map(fn (IdentifyMethod $identifyMethod): array => [
                                                        'method' => $identifyMethod->getIdentifierKey(),
                                                        'value' => $identifyMethod->getIdentifierValue(),
                                                        'mandatory' => $identifyMethod->getMandatory(),
                                                ], array_values($identifyMethodsOfSigner)),
                                        ];

                                        if ($data['me']) {
                                                $temp = array_map(function (IdentifyMethod $identifyMethodEntity) use ($signer): array {
                                                        $this->identifyMethodService->setCurrentIdentifyMethod($identifyMethodEntity);
                                                        $identifyMethod = $this->identifyMethodService
                                                                ->setIsRequest(false)
                                                                ->getInstanceOfIdentifyMethod(
                                                                        $identifyMethodEntity->getIdentifierKey(),
                                                                        $identifyMethodEntity->getIdentifierValue(),
                                                                );
                                                        $signatureMethods = $identifyMethod->getSignatureMethods();
                                                        $return = [];
                                                        foreach ($signatureMethods as $signatureMethod) {
                                                                if (!$signatureMethod->isEnabled()) {
                                                                        continue;
                                                                }
                                                                $signatureMethod->setEntity($identifyMethod->getEntity());
                                                                $return[$signatureMethod->getName()] = $signatureMethod->toArray();
                                                        }
                                                        return $return;
                                                }, array_values($identifyMethodsOfSigner));
                                                $data['signatureMethods'] = [];
                                                foreach ($temp as $methods) {
                                                        $data['signatureMethods'] = array_merge($data['signatureMethods'], $methods);
                                                }
                                                $data['sign_uuid'] = $signer->getUuid();
                                                $files[$key]['url'] = $this->urlGenerator->linkToRoute('libresign.page.getPdfFile', ['uuid' => $signer->getuuid()]);
                                        }

                                        if ($signer->getSigned()) {
                                                $data['signed'] = $signer->getSigned()->format(DateTimeInterface::ATOM);
                                                $totalSigned++;
                                        }
                                        ksort($data);
                                        $files[$key]['signers'][] = $data;
                                        unset($signers[$signerKey]);
                                }
                        }
                        if (empty($files[$key]['signers'])) {
                                $files[$key]['signers'] = [];
                                $files[$key]['statusText'] = $this->l10n->t('no signers');
                        } else {
                                $files[$key]['statusText'] = $this->fileMapper->getTextOfStatus((int)$files[$key]['status']);
                        }
                        unset($files[$key]['id']);
                        ksort($files[$key]);
                }
                return $files;
        }

        /**
         * @param FileElement[] $visibleElements
         * @param array
         * @return array
         */
        private function formatVisibleElementsToArray(array $visibleElements, array $metadata): array {
                return array_map(function (FileElement $visibleElement) use ($metadata) {
                        $element = [
                                'elementId' => $visibleElement->getId(),
                                'signRequestId' => $visibleElement->getSignRequestId(),
                                'type' => $visibleElement->getType(),
                                'coordinates' => [
                                        'page' => $visibleElement->getPage(),
                                        'urx' => $visibleElement->getUrx(),
                                        'ury' => $visibleElement->getUry(),
                                        'llx' => $visibleElement->getLlx(),
                                        'lly' => $visibleElement->getLly()
                                ]
                        ];
                        $dimension = $metadata['d'][$element['coordinates']['page'] - 1];

                        $element['coordinates']['left'] = $element['coordinates']['llx'];
                        $element['coordinates']['height'] = abs($element['coordinates']['ury'] - $element['coordinates']['lly']);
                        $element['coordinates']['top'] = $dimension['h'] - $element['coordinates']['ury'];
                        $element['coordinates']['width'] = $element['coordinates']['urx'] - $element['coordinates']['llx'];

                        return $element;
                }, $visibleElements);
        }

        public function getMyLibresignFile(int $nodeId): File {
                return $this->signRequestMapper->getMyLibresignFile(
                        userId: $this->me->getUID(),
                        filter: [
                                'email' => $this->me->getEMailAddress(),
                                'nodeId' => $nodeId,
                        ],
                );
        }

        public function delete(int $fileId): void {
                $file = $this->fileMapper->getByFileId($fileId);
                $this->fileElementService->deleteVisibleElements($file->getId());
                $list = $this->signRequestMapper->getByFileId($file->getId());
                foreach ($list as $signRequest) {
                        $this->signRequestMapper->delete($signRequest);
                }
                $this->idDocsMapper->deleteByFileId($file->getId());
                $this->fileMapper->delete($file);
                if ($file->getSignedNodeId()) {
                        $signedNextcloudFile = $this->folderService->getFileById($file->getSignedNodeId());
                        $signedNextcloudFile->delete();
                }
                try {
                        $nextcloudFile = $this->folderService->getFileById($fileId);
                        $nextcloudFile->delete();
                } catch (NotFoundException) {
                }
        }
}

LibreSign / libresign / 20035138649

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